Four-in-one pain scale



This application claims the benefit of U.S. Design Patent application Ser. No. 29/232,258, filed Jun. 15, 2005 now abandoned.

FIG. 1 is a perspective view of an ornamental design for an evaluation tool according to the present invention; and,

FIG. 2 is a plan view of FIG. 1.

All portions shown in broken lines are environmental and illustrative only, and form no part of the claimed design. 

The ornamental design for a four-in-one pain scale, as shown and described. 